APA (7th ed.) Citation

Ayala, J. V. (1999). The Astronomer. University of the Philippines Press.

Chicago Style (17th ed.) Citation

Ayala, Jose V. The Astronomer. Quezon City: University of the Philippines Press, 1999.

MLA (9th ed.) Citation

Ayala, Jose V. The Astronomer. University of the Philippines Press, 1999.